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Re: New dumping problem...

From: Jan D.
Subject: Re: New dumping problem...
Date: Wed, 30 Mar 2005 21:17:08 +0200

Indeed. The final solution must be to either fix unexec (ELF I presume)
    or move away from unexec to something else.

When you say "fix unexec", what does that mean?

Has anyone established that it is possible in principle
for unexec to do the right thing in this environment?
What change would be needed?

Does anyone understand what the technical issue is?

I haven't checked this specific problem, but the exec-shield problem was that there is a hole between data and bss. unexelf.c assumes these are next to each other. It should be possible to make two data sections, one for the original data and one for the original bss, that are mapped to two different addresses when dumping. But then sections in the dumped image needs to be expanded and that is tricky as all sections after needs to be moved as well.

        Jan D.

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